Railway applications - Fixed installations - Part 2: Protective provisions against the effects of stray currents caused by d.c. traction systems— 47 стр.
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by d.c. traction systems— 61 стр.
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by d.c. traction systems— 61 стр.
